The 16" is almost certainly on your sticker, so you wouldn't need to.I have a 16 inch spare that i have never needed to use,
in wintertime van is fitted with 16s and in summer it has 18s.
Call me feckless but i aint ringing up any insurance company to
check if its okay to fit my spare.
Old style I'm afraid and being black wheels hard to see.
Didn't notice a difference ride wise but did when I had the -30mm lowering spring. Rear is fine, front is a little trashy over the bumps
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